Studs vs. bolts on exhaust header ?

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  • ray c
    • Feb 2026

    #1

    Studs vs. bolts on exhaust header ?

    Hi, ... on an 81' GS750E , while my exhaust system is off with only breaking one exhaust clamp bolt, I was wondering if there would be any reason not to switch from bolts to studs, and if there wasn't, where might I be able to get some. Thanks, any opinion, or advice would be greatly appreciated... ray c. Ps. It is an original exhaust system.
    Last edited by Guest; 02-02-2017, 10:33 PM.
  • hillsy
    Forum Sage
    • May 2008
    • 1469
    • Brisbane, Queensland, Australia

    #2
    You can go either way. I prefer studs because there's less chance of stripping out the threads in the head - especially if you're removing the exhaust (semi) frequently.
    Current:
    Z1300A5 Locomotive (swapped my Intruder for it), GS450 Cafe Project (might never finish it....), XT500 Commuter (I know - it's a Yamaha :eek:)

    Past:
    VL1500 Intruder (swapped for Z1300), ZX9R Streetfighter (lets face it - too fast....), 1984 GSX750EF, 1984 GSX1100EF (AKA GS1150)
    And a bunch of other crap Yamahas....

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    • JHook

      #3
      I switched to studs on the exhaust for my 850. I was able to go down to the local NAPA, took one of the old bolts with me, and they hooked me up with a set of 8 studs that worked perfectly.

      Comment

      • duaneage
        Forum Guru
        GSResource Superstar
        • Apr 2004
        • 6149
        • Wilmington Delaware

        #4
        Studs are easier to hang the pipe on . You won't crossbreed them either. I put locktite on mine so they don't back out with the nut.
        1981 GS650G , all the bike you need
        1980 GS1000G Power corrupts, and absolute power corrupts absolutely

        Comment

        • habsdoc
          Forum Mentor
          • Feb 2012
          • 333
          • Winnipeg Manitoba Canada

          #5
          Crossbreeding those studs with what??? I know, I know, cross threading.
          1981 GS 1000GLX.
          1981 GS 1000G.
          1981 GS 650GLX.
          1975 TS 185.
          1972 100. Kawasaki.
          1968 100. Suzuki.
          1970 Z 50. Honda.
          1984 CT 70. Honda. (Kids)
          1982 DS 50. Suzuki. (Kids)

          Comment

          • 850 Combat
            Forum Guru
            Past Site Supporter
            • Sep 2006
            • 6018
            • Spokane, WA, and Hampden, ME

            #6
            Suzuki part numbers give the diameter, and length. A stud would need to be longer, of course.
            sigpic Too old, too many bikes, too many cars, too many things

            Comment

            • JTGS850GL
              Forum Guru
              Past Site Supporter
              • Aug 2013
              • 9735
              • GA

              #7
              I believe that a 8mm x 50mm stud worked on my GS850 and GS1000 using a V&H exhaust.
              http://img633.imageshack.us/img633/811/douMvs.jpg
              1980 GS1000GT (Daily rider with a 1983 1100G engine)
              1998 Honda ST1100 (Daily long distance rider)
              1982 GS850GLZ (Daily rider when the weather is crap)

              Darn, with so many daily riders it's hard to decide which one to jump on next.;)

              JTGS850GL aka Julius

              GS Resource Greetings

              Comment

              • ray c

                #8
                Thanks, for the input guys, it didn't seem like there would be a problem, and the common 8mm size that they are, make them readily available at most hardware or supply stores, now that I see. thanks again... ray c.

                Comment

                • Oldman99

                  #9
                  Something to remember is that you can only remove/install steel bolts in an aluminum head a number of times before something gets messed up. If it backs out on it's own, it might pull a few threads out with it aswell. Studs with lock-tight get my vote.
                  20160916_173742.jpg

                  Comment

                  • JTGS850GL
                    Forum Guru
                    Past Site Supporter
                    • Aug 2013
                    • 9735
                    • GA

                    #10
                    You also want to use high temp anti-seize lubricant when installing them.
                    http://img633.imageshack.us/img633/811/douMvs.jpg
                    1980 GS1000GT (Daily rider with a 1983 1100G engine)
                    1998 Honda ST1100 (Daily long distance rider)
                    1982 GS850GLZ (Daily rider when the weather is crap)

                    Darn, with so many daily riders it's hard to decide which one to jump on next.;)

                    JTGS850GL aka Julius

                    GS Resource Greetings

                    Comment

                    • Agemax
                      Forum Guru
                      • Apr 2008
                      • 8371
                      • plymouth uk

                      #11
                      Originally posted by JTGS850GL
                      You also want to use high temp anti-seize lubricant when installing them.
                      Install them into the head with threadlocker, use the anti seize on the nuts.
                      1978 GS1085.

                      Just remember, an opinion without 3.14 is just an onion!

                      Comment

                      • 1980GS1000E
                        Forum Sage
                        Past Site Supporter
                        • Aug 2007
                        • 1664
                        • San Diego, California, USA

                        #12
                        Studs. Not bolts.
                        Current Rides: 1980 Suzuki GS1000ET, 2006 H-D Fatboy, 2021 BMW K1600B

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